Slicing, not as modern as you thought
Ola Fosheim Grøstad
ola.fosheim.grostad at gmail.com
Tue Jul 9 11:54:17 UTC 2019
On Sunday, 7 July 2019 at 14:12:05 UTC, Patrick Schluter wrote:
> After watching this retro-computing video  I was quite
> surprised to discover that the lowly Sinclair ZX81 already
> implemented slicing in its Basic string handling. The syntax
> was of course typical Basic ad hoc, but it seem to work quite
High level languages often have substring "slices" of some kind,
though. BASIC dialects borrowed a lot from "real" languages.
I think Simula got its string handling standardised in 1968. I
think Simula had both value and reference semantics for strings.
Assignment-operator ":=" copies by value and ":-" sets a
reference. The standard calls slices "SectionText Frames":
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